Ch 3 L4: Operating System Interfaces

Question 1

What is a User interface (shell)?

Answer 1

software that allows communication between user and software

Question 2

What is a Command - line interface (CLI)?

Answer 2

text - based interface, such as MS - DOS

The original IBM PC used MS - DOS with a text-based command line interface that shows a command prompt when the user inputs text commands to tell the computer what to do.

The command line interface is still the native interface for Unix and Linux and but users can also use a graphical shell.

Windows users see a graphical interface by default but can also use command line interface.

Question 3

What is a major function of the operating system?

Answer 3

Configuring and controlling computer components and attached devices such as printer, monitor or mouse.

Question 4

Why are software drivers needed?

Answer 4

Each device speaks its own language, so the operating system uses a software driver to communicate with it.

Question 5

What is a driver?

Answer 5

a program that translates commands between operating system and device

Question 6

What does Windows include for many device types?

Answer 6

many drivers

Question 7

What do most devices include?

Answer 7

their own driver disks

Question 8

Which type of professional are Macintosh computers and Mac OS popular among?

Answer 8

graphics professionals

Question 9

Which type of computer was some of the most powerful software for page layout and graphics editing originally designed for?

Answer 9

Mac

Question 10

What is an example of page layout and graphics editing software that was originally designed for the Mac?

Answer 10

Adobe Photoshop

Question 11

Is the same software available for both Windows and Mac today?

Answer 11

Yes

Question 12

What is Linux?

Answer 12

A UNIX based operating system that runs on a number of platforms

Question 13

Who designed Linux as an open-source software?

Answer 13

Linus Torvalds

Question 14

What is open - source software?

Answer 14

Software that belongs to the developer but is available free to the public

Question 15

Which type of software are people encouraged to experiment with and add to the software?

Answer 15

Open - source software also known as freeware

Question 16

What is proprietary software?

Answer 16

software owned exclusively by the developer and sold to others

Question 17

Which component of Linux is free?

Which component of Linux do users have to pay for?

Answer 17

The Linux kernel is free

vendors package it with tools, utilities and shells and then charge users for what is called a distribution or distro.

Question 18

What are some examples of commercially available Linux distros?

Answer 18

Red Hat Enterprise Linux (RHEL)

SUSE Linux Enterprise Server (SLES)

Debian

Ubuntu LTS (Long Term Support)

Question 19

Which distro is one of the most popular available today?

Answer 19

Ubuntu LTS (Long Term Support)

Question 20

What is the name of both an OS and a browser by Google?

Answer 20

Chrome

Question 21

Describe Chrome Operating System

Answer 21

based on Linux

a commercial distribution of the Chromium Operating System

Question 22

Which type of device was open source project Chrome operating system primarily designed for?

Answer 22

Thin clients

Question 23

What is a thin client?

Answer 23

a computer that has only minimal capabilities and provides Internet access

Question 24

What is included in Chrome OS?

Answer 24

Google Chrome web browser and a simple file manager and media player

Question 25

What is iOS?

Answer 25

The operating system for Apple mobile devices

Question 26

What is Android?

Answer 26

The operating system for Google devices

Question 27

What is the purpose of a Server Operating System?

Answer 27

allows multiple users to connect to a server and share network resources such as files and printers manages connections, authenticates users, prioritizes user requests, and provides multi-user access to databases.

Question 28

What are the most popular server operating systems?

Answer 28

Unix Linux Windows Server

Question 29

What are the purposes of Utility Programs?

Answer 29

useful for correcting many of the problems that computer users are likely to encounter

Question 30

Where are Utility Programs usually stored?

Answer 30

on the hard drive along with the basic operating system and activated when needed by the user

Question 31

What is the Graphical User Interface (GUI)

Answer 31

Allows users to interact with electronic devices through graphical icons and visual indicators, rather than text - based interfaces Designed to be user - friendly and intuitive, making it easier for users to perform tasks without needing to memorize complex commands

Question 32

What is the purpose of the Antivirus utility program?

Answer 32

Protects the computer system from a virus attack

Question 33

What is the purpose of the Firewall utility program?

Answer 33

Protects a personal computer or network from access by unauthorized users, such as hackers

Question 34

What is the purpose of the Diagnostic utility program?

Answer 34

Examines the computer system and corrects problems that are identified

Question 35

What is the purpose of the Uninstaller utility program?

Answer 35

Removes programs, along with related system files

Question 36

What is the purpose of the Disk Scanner utility program?

Answer 36

Identifies and fixes errors in the file storage system

Question 37

What is the purpose of the Disk Optimizer (defragmenter) utility program?

Answer 37

Identifies disk problems (such as separated files) and rearranges files so they run faster

Question 38

What is the purpose of the Disk toolkit utility program?

Answer 38

Recovers lost files and repairs files that may be damaged

Question 39

What is the purpose of the File Compression utility program?

Answer 39

Reduces the size of files so they take up less disk space

Question 40

What is the purpose of the Backup utility program?

Answer 40

Makes a backup copy of files on a separate disk

Question 41

What is the purpose of the Spam Blocker utility program?

Answer 41

Filters incoming spam messages

Question 42

What is the purpose of the Antispyware utility program?

Answer 42

Protects the computer system from software that tracks the activities of internet users

Question 43

What is the purpose of the Device Driver utility program?

Answer 43

Allows hardware devices (such as disk drivers and printers) to work with the computer system

Question 44

What is the purpose of the Extender utility program?

Answer 44

Adds new programs and fonts to the computer system

Question 45

What is the purpose of the File Viewer utility program?

Answer 45

Quickly displays the contents of a file

Question 46

What is the purpose of the Screen Capture utility program?

Answer 46

Captures the content shown on the monitor as a file